222021010019213 has 2 divisors, whose sum is σ = 222021010019214. Its totient is φ = 222021010019212.

The previous prime is 222021010019161. The next prime is 222021010019279. The reversal of 222021010019213 is 312910010120222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115824130914244 + 106196879104969 = 10762162^2 + 10305187^2 .

It is a cyclic number.

It is not a de Polignac number, because 222021010019213 - 2¹⁰ = 222021010018189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222021030019213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010505009606 + 111010505009607.

It is an arithmetic number, because the mean of its divisors is an integer number (111010505009607).

Almost surely, 2^{222021010019213} is an apocalyptic number.

It is an amenable number.

222021010019213 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021010019213 is an equidigital number, since it uses as much as digits as its factorization.

222021010019213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 222021010019213 its reverse (312910010120222), we get a palindrome (534931020139435).

The spelling of 222021010019213 in words is "two hundred twenty-two trillion, twenty-one billion, ten million, nineteen thousand, two hundred thirteen".